| abstract |
The invention relates to pyridone derivatives, a preparation method thereof, and its application in medicine. Specifically, the present invention relates to a pyridone derivative represented by the general formula (I) and a pharmaceutically acceptable salt thereof, a preparation method thereof, and use thereof as a MEK inhibitor, particularly as a cancer therapeutic agent, wherein the general formula (I The definition of each substituent in) is the same as that in the specification. |